Specific Functional Contributions.
| British Telecom | Information |
| Compaq | Information |
| Cramer Systems | Information |
| Ericsson | Information |
| Evidian | Information |
| ILOG | Information |
| Integris | Information |
| Lucent | Information |
| Motorola Inc. | Information |
| Nokia Networks | Information |
| Orange | Information |
| PSI | Information |
| Telcordia Technologies, Inc. | Information |
| T-Mobil (Deutsche Telekom MobilNet GmbH) | Information |
| Vodafone D2 | Information |